/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.azunitech.apm.bundles.osgilog;

import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.service.log.LogReaderService;
import org.osgi.service.log.LogService;
import org.osgi.service.prefs.PreferencesService;
import org.osgi.util.tracker.ServiceTracker;
import org.osgi.util.tracker.ServiceTrackerCustomizer;

public class Activator implements BundleActivator {
	
	private ServiceTracker<LogReaderService,LogReaderService> m_LogServiceTracker;
	
    public void start(BundleContext context) {
        m_LogServiceTracker = new ServiceTracker<LogReaderService,LogReaderService>(context, LogReaderService.class.getName(),new Customizer() );
        m_LogServiceTracker.open();
        LogService logservice = (LogService) m_LogServiceTracker.getService();
        if (logservice != null)
            logservice.log(LogService.LOG_INFO, "hey, I logged that!");
    }

    public void stop(BundleContext context) {
        System.out.println("Stopping the bundle");
    }
    
    private class Customizer implements ServiceTrackerCustomizer<LogReaderService,LogReaderService> {

		public LogReaderService addingService(ServiceReference<LogReaderService> reference) {
			
			return null;
		}

		public void modifiedService(ServiceReference<LogReaderService> reference,	LogReaderService service) {
			
		}

		public void removedService(ServiceReference<LogReaderService> reference,	LogReaderService service) {
		} 
	}    

}